Efficacy of Spontaneous Deep Breathing Technique with Pressure Support/Continuous Positive Airway Pressure during Preoxygenation: A Randomized Controlled Trial

Phase 4

Completed

• Conditions: Patients who undergoing general anesthesia; Peoxygenation; Pressure support/CPAP

• Registration Number: TCTR20180118002
• Lead Sponsor: Khon Kaen Hospital

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2018-01-18
• Study Completion: 2018-02-15
• Last Update Posted: 19 August 2024

Recruitment & Eligibility

• Status: Completed
• Sex: All
• Target Recruitment: 90

Inclusion Criteria

1. Age between 18-65 years old
2. ASA physical status I-II
3. Elective surgery requiring general anesthesia
4. Written informed consent obtained

Exclusion Criteria

1. Cardiovascular or lung disease
2. Upper airway problem (chronic hypertrophic tonsillitis, nasal polyps, obstructive sleep apnea)
3. Pregnancy
4. Inflammation or infection of upper abdomen/lung
5. Intra-abdominal mass ≥ 20 weeks size
6. Obesity ( Body mass index ≥ 30 kg/m2)
7. Current heavy smoking≥ 20 pack year
8. Beard
9. No teeth
10. Nasogastric tube insertion
11. Face deformity

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Effectiveness of preoxygenation 1 minute after preoxygenation End-tidal oxygen

Secondary Outcome Measures

Name	Time	Method
Respiratory discomfort 1 minute after preoxygenation Discomfort score (1-4)